"Benjamin Krajmalnik" <k...@servoyant.com> wrote: > I will be taking down all of our infrastructure to update firmware > on the controllers due to a bug affecting BBU (wonderful J ). > > I was thinking of taking the opportunity and upgrading pg from > 9.0.3 (amd64 on Freebsd 8.1) to the latest version 9.0.6. That sounds like a good idea. > In the release notes for 9.0.6, it mentions: > > fix bugs in information_schema.referential_constraints view (Tom > Lane) > > Is the dropping and recreation of this mandatory, If you don't do it, I don't think you're any worse off than you were while at version 9.0.3; you will just not have fixed the view. > can it be done at any time while the server is already being > pounded with data? I would tend to do it as part of the upgrade process. I don't think it take very long to run. If you do it while queries are running, you will get errors if any of them reference the information_schema schema, they will get runtime errors on missing objects. Probably more important is to make sure that you have considered this issue, and taken action if necessary: http://wiki.postgresql.org/wiki/20110408pg_upgrade_fix -Kevin
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